The IH International Harvester 986 tractor Service Repair Manual is your comprehensive guide to maintaining and repairing your tractor. This detailed manual provides step-by-step instructions based on the complete disassembly of the machine, ensuring you have all the information you need for any repair or service procedure. With hundreds of pages packed with photos and illustrations, this manual covers everything from basic maintenance to complex repairs. You'll find in-depth information on: * **Brakes:** Learn how to diagnose and repair brake issues, ensuring safe and reliable stopping power. * **Cab:** Get detailed instructions on the cab's components, from its structure to its various functions. * **Clutch and Engine:** Master the intricacies of your tractor's clutch and engine, including troubleshooting common problems. * **Cooling System:** Understand the workings of the cooling system and learn how to maintain it for optimal performance. * **Diesel Fuel System:** Gain a thorough understanding of the diesel fuel system, enabling you to troubleshoot and resolve fuel-related issues. * **Diesel Turbocharger:** Learn about the operation and maintenance of the turbocharger, ensuring efficient engine performance. * **Differential:** Discover the inner workings of your tractor's differential and how to repair any problems. * **Electrical System:** Navigate the intricacies of your tractor's electrical system, from basic wiring to advanced troubleshooting. * **Engine:** Get a complete understanding of your tractor's engine, including its components, operation, and maintenance. * **Final Drive:** Learn about the final drive system, a critical component for power transmission. * **Front System:** Gain expertise on the tractor's front system, including steering, front axle, and other components. * **Hydraulic System:** Delve into the hydraulic system, understanding its operation and how to repair any leaks or malfunctions. * **Multiple Control Valve:** Learn about the multiple control valve and its role in managing hydraulic functions. * **Power Steering System:** Master the workings of the power steering system, ensuring smooth and responsive steering. * **Power Take-off:** Understand the power take-off (PTO) system and its various applications. * **Service Data:** Access essential service data, including specifications and maintenance schedules. * **Torque Amplifier:** Learn about the torque amplifier and its role in enhancing engine power and torque. * **Transmission Brake:** Get detailed information on the transmission brake, a vital component for controlling vehicle movement. * **Transmission Range:** Understand how the transmission range works and how to shift gears effectively. * **Transmission Speed:** Learn about the different transmission speeds and how to select the appropriate gear for various tasks. This comprehensive manual will empower you to perform maintenance and repairs on your IH International Harvester 986 tractor, saving you time and money in the long run. You can confidently tackle most repairs, gaining valuable knowledge and skills along the way.

The IH International Harvester 986 is a powerful and versatile agricultural tractor that was manufactured by International Harvester from 1975 to 1985. Known for its robust construction and reliable performance, the 986 was a popular choice for farmers and ranchers across the globe. This tractor is equipped with a powerful 6-cylinder diesel engine that delivers ample power for a wide range of tasks, from plowing and tilling to hauling heavy loads. The 986 also features a durable transmission with multiple gears to optimize efficiency and performance in different conditions. The tractor's hydraulic system provides the necessary power for operating implements and attachments, further enhancing its versatility. While its production has ceased, the IH International Harvester 986 remains a sought-after machine in the agricultural industry. Its legacy is based on its renowned reliability, durability, and ability to handle demanding tasks. Many 986 tractors remain in operation today, testament to their robust construction and the lasting impression they have made on the agricultural landscape. For owners who wish to maintain and repair their 986 tractors, a comprehensive service repair manual is an invaluable resource. This manual provides detailed instructions and illustrations for every aspect of the tractor, from basic maintenance procedures to complex engine repairs. With a service repair manual in hand, owners can confidently tackle repairs and ensure their 986 continues to perform at its best for years to come.